GM Service Manual Online
For 1990-2009 cars only

Problem

Action

Loose power steering pump gear nut

Tighten the gear nut to specifications.

The pump vanes are sticking in the rotor slots.

  1. Free the pump vanes by removing any burrs, varnish, or dirt.
  2. Repair the pump. Refer to Power Steering Pump Disassemble .

The pressure hose is touching other parts of the vehicle.

Adjust the hose position.